Printing ribbon cartridge



FIG. 1 is a perspective view taken from the top, front and right side of a printing ribbon cartridge showing my new design;

FIG. 2 is a perspective view taken from the top, rear and left side thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a bottom plan view thereof.

It is to be understood that the surface ornamentation is continuous throughout the area indicated in FIGS. 1, 2 and 3. 

The ornamental design for a printing ribbon cartridge, as shown and described. 